Thyrotropin

Thyrotropin (also known as thyroid-stimulating hormone or TSH) is a hormone produced by the pituitary gland. It plays a crucial role in controlling the production of thyroid hormones by the thyroid gland.

Function

Thyrotropin stimulates the thyroid gland to produce and release thyroid hormones, thyroxine (T4) and triiodothyronine (T3). These hormones regulate the body's metabolism, heart rate, and body temperature.

Production

Thyrotropin is produced and released by the anterior pituitary gland. The production of TSH is regulated by the hypothalamus, which releases thyrotropin-releasing hormone (TRH) in response to low levels of thyroid hormones in the blood.

Clinical significance

Abnormal levels of thyrotropin can indicate a disorder of the thyroid gland. High levels of TSH can indicate hypothyroidism, while low levels can indicate hyperthyroidism. Thyrotropin levels are often measured in blood tests to diagnose and monitor treatment of thyroid disorders.

See also

• Thyroid function tests
• Thyroid disease
• Hypothalamus
• Pituitary gland

Thyrotropin Resources
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